A tip-off prompts arrest, but Avon and Stringer grow suspicious; another witness to the Grant murder emerges.
Cary tries to stack the deck against Alicia during the trial of an Army reservist accused of murdering his wife. Meanwhile, Childs resorts to dirty tricks in an effort to mar Peter's campaign.
While in retirement, Adams begins to write his memoirs, corresponds with Jefferson after a series of personal tragedies, and lives to see his son John Quincy become president.